#coding=utf-8

print "abs(-45) : ",abs(-45)
print "abs(100.12):",abs(100.12)
print "abs(119L):",abs(119L)


import random

print "choice([1, 2, 3, 5, 9]) : ", random.choice([1, 2, 3, 5, 9])
print "choice('A String') : ", random.choice('A String')


# 输出 100 <= number < 1000 间的偶数
print "randrange(100, 1000, 2) : ", random.randrange(100, 1000, 2)

# 输出 100 <= number < 1000 间的其他数
print "randrange(100, 1000, 3) : ", random.randrange(100, 1000, 3)